Home / 11,214.32-16,821.52-5,051.12

Finding the Fourth Proportional to 11,214.32, 16,821.52 and 5,051.12

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Solution

The fourth proportional to 11,214.32, 16,821.52 and 5,051.12 is: 7,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.32 : 16,821.52 = 5,051.12 : x
  2. Step 2: Convert to fraction form
    11,214.32/16,821.52 = 5,051.12/x
  3. Step 3: Cross multiply
    11,214.32x = 16,821.52 × 5,051.12
  4. Step 4: Simplify right side
    11,214.32x = 84,967,516.10
  5. Step 5: Solve for x
    x = 84,967,516.10/11,214.32
  6. Step 6: Final answer
    x = 7,576.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.